This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Liebig Manuel RGNb..planche II.tif en Figure Planche II from Manuel pour l'analyse des substances organiques by Justus von Liebig Paris Chez Baillire Institution Chemical Heritage Foundation object history exhibition history credit line chemheritage org Chemical Heritage Foundation accession number chemheritage org bS QD